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Presonus BLUETUBE DP V2 Microphone Preamp

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Solid-state clarity or tube warmth, which to choose? We suggest you stop wasting time pondering that old argument and choose the BlueTube DP dual-path mic/instrument preamp, which lets you apply fat, warm 12AX7 tube tone or go with solid-state transparency.

The solid-state path leads to our classic high-headroom, Class A XMAX microphone preamplifier with 54 dB of gain. The tube path features a high-output, 12AX7 vacuum tube that operates on voltages double that of other preamplifiers in its class, producing lots of headroom and big tone. You get all the secondary features you expect in a professional-grade preamp: 48V phantom power, an 80 Hz high-pass filter, -20 dB pad to control hot input signals, and a polarity-reverse switch. Each channel has an illuminated VU meter so you can visually monitor your input levels.

A Tube Drive control provides a wide range of sounds: when it's clicked off, you"re using the solid-state preamp for quiet, transparent amplification; when it's engaged, your signals flow through the tube preamp, and you can achieve anything from gentle warmth to edgy distortion.

Versatile and Affordable Thanks to its two combo mic/instrument inputs, the BlueTube DP is an excellent choice for guitars and basses, as well as for vocals. With balanced XLR and unbalanced 1/4" main outputs, it serves as a dandy direct box (DI). If you"re a singer-songwriter who performs solo with a guitar, you can run your vocal through one channel and your guitar through the other, then feed both to the house system - no guitar amp needed. Try the BlueTube DP as a front end for your DAW, as well; sure, your recording interface might already include preamps, but few of them give you both tube and solid-state operation.

The BlueTube DP is packaged in a compact, super durable, 1/2U chassis so it can be used as a desktop unit or rack-mounted with the optional 2UHR rack adapter. To top it off, we offer the BlueTube DP at a very affordable price.

So if you"re debating between getting a tube preamp or a solid-state preamp, quit torturing yourself! Get the best of both worlds with the most versatile, best-sounding mic/instrument preamplifier in its price range: the BlueTube DP.

  • 2 input channels, each with:
    • High-headroom Class A XMAX microphone preamplifier
    • Dual path, 12AX7 vacuum tube and solid-state gain stages
    • Solid-state Gain control with 0 dB to +54 dB gain range
    • Tube Drive tube-saturation control
    • 48V phantom power
    • 80 Hz high-pass filter
    • -20 dB pad
    • Polarity-reverse switch
    • Illuminated analog VU input-level meter
  • Input/Output
    • 2 balanced combo mic/unbalanced instrument inputs
    • 2 balanced XLR main (L/R) line outputs
    • 2 unbalanced 1/4" main (L/R) line outputs
  • Physical
    • Compact 1/2U rack-mount chassis
    • External 16 VAC power supply
    • Optional 2UHR rack adapter
Connector Type Neutrik Combo
XLR Impedance 1.3K Ohms
Hi-Z, 1/4" 1 Meg Ohms
Connector Type XLR and 1/4" TS
Impedance 51 Ohms
Panel Controls
Gain 0dB to +54dB
Tube Drive 0% to 100%
Phase Reversal
-20dB Pad
Phantom Power
Analog VU -2odBu to +6dBu
Clip Indicator +22dBu
THD Noise (Unweighted) Solid State < 0.005%
THD Noise (Unweighted) Tube stage 0.01% to 30%
Signal To Noise >95dB
Power Supply Rejection >98dB
Weight 4lbs
Dimensions 8" x 5" x 1.75"
Mounting Universal rack tray insert
Power Supply
Type Linear
Input 16VAC / 1000mA
Power 16 Watts
Transformer External



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Presonus warrants its products to be free from defects for 1 year from the date of purchase.